US20070249773A1 - Polymeric Materials, Which Contain Inorganic Solids, and Methods for the Production Thereof - Google Patents

Polymeric Materials, Which Contain Inorganic Solids, and Methods for the Production Thereof Download PDF

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Publication number
US20070249773A1
US20070249773A1 US11/629,954 US62995405A US2007249773A1 US 20070249773 A1 US20070249773 A1 US 20070249773A1 US 62995405 A US62995405 A US 62995405A US 2007249773 A1 US2007249773 A1 US 2007249773A1
Authority
US
United States
Prior art keywords
tio
inorganic substance
polymer material
particulate inorganic
material according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/629,954
Other languages
English (en)
Inventor
Bernhard Becker
Jurgen Kastner
Franz Meyers
Ralf Schellen
Heiner Schulte
Michael Wedler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Venator Germany GmbH
Original Assignee
Sachtleben Chemie GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sachtleben Chemie GmbH filed Critical Sachtleben Chemie GmbH
Assigned to SACHTLEBEN CHEMIE GMBH reassignment SACHTLEBEN CHEMIE GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BECKER, BERNARD, MEYERS,. FRANZ, SCHELLEN, RALF, SCHULTE, HEINER, WEDLER, MICHAEL, KASTNER, JURGEN
Publication of US20070249773A1 publication Critical patent/US20070249773A1/en
Abandoned legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/04—Pigments
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers

Definitions

  • the invention relates to polymer materials, especially synthetic fibres, containing inorganic solids, and to a process for their production.
  • Synthetic fibres are polymer materials. Synthetic fibres with high TiO 2 contents are known particularly as full-dull fibres, which contain up to 3 wt. % of TiO 2 (titanium dioxide).
  • Full-dull fibres have a number of disadvantages. Thus clearly pronounced abrasion phenomena occur during the processing of full-dull fibres. These abrasion phenomena can be observed particularly when the fibres make contact with the structural components of the processing machines (such as thread guides, winding rollers, texturing disks, needles, etc.). Such abrasion phenomena occur to a much lesser extent e.g. in semi-dull fibres whose TiO 2 contents are approx. 5 times lower.
  • the TiO 2 content can lead to disadvantages in semi-dull systems as well. All the conventional titanium dioxides used as matting agents absorb UV radiation as a result of their semiconductor property, which, via processes in the titanium dioxide crystal, ultimately leads to free radical formation at the titanium dioxide crystal/polymer interface. In principle this can result in unwanted partial degradation reactions with associated changes in the colour of the polymer (“yellowing”).
  • the object of the invention is to overcome the disadvantages of the state of the art and to provide TiO 2 -containing polymer materials which have the desired properties conventionally conferred by high TiO 2 contents, and in which at the same time abrasion phenomena occur to a markedly reduced extent.
  • synthetic fibres should be provided in which abrasion phenomena occur to a markedly reduced extent compared with known full-dull fibres.
  • the object is achieved by TiO 2 -containing materials in which part of the TiO 2 content is replaced by particulate inorganic substances having a lower crystal hardness than anatase.
  • the characteristic optical and haptic properties are not achieved exclusively by a high content of TiO 2 as filler, which acts inter alia as a matting agent.
  • the desired effects can in fact be achieved with lower proportions of particulate TiO 2 , the reduced amount of TiO 2 being compensated by other particulate inorganic substances.
  • These inorganic particles which can be used according to the invention are preferably of a similar size to the TiO 2 used.
  • the light-scattering capability of the particulate inorganic substances selected according to the invention is not as significant as that of TiO 2 and their lower crystal hardness results in a markedly lower abrasiveness of the polymer material.
  • the desired material properties such as full-dull optics and matt feel, are extensively or completely preserved by the high solids content that gives the surface structure.
  • the partial replacement, provided by the invention, of the titanium dioxide by the particulate inorganic substances selected according to the invention is advantageous for semi-dull systems as well.
  • all the conventional titanium dioxides used as pigments or (as in the present invention) as matting agents absorb UV radiation as a result of their semiconductor property, which, via processes in the titanium dioxide crystal, ultimately leads to free radical formation at the titanium dioxide crystal/polymer interface. In principle this can result in unwanted partial degradation reactions with associated changes in the colour of the polymer (“yellowing”).
  • the particulate inorganic substances selected according to the invention do not exhibit this property at all.
  • the polymer material is preferably selected from polyester (such as polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polylactide (PLA)), polyamide (such as PA-6 or PA-6,6), polyolefin (such as polyethylene (PE) or polypropylene (PP)), polyacrylonitrile (PAN), viscose (CV) and cellulose acetate (CA).
  • polyester such as polyethylene terephthalate (PET), polytrimethylene terephthalate (PTT), polylactide (PLA)
  • polyamide such as PA-6 or PA-6,6
  • polyolefin such as polyethylene (PE) or polypropylene (PP)
  • PAN polyacrylonitrile
  • CV viscose
  • CA cellulose acetate
  • the form of the polymer material according to the invention is not restricted to one particular embodiment.
  • the polymer material according to the invention takes the form of synthetic fibres (such as filaments, staple fibres or flocks).
  • the polymer material can also take the form of films or mouldings.
  • the following can preferably be used as particulate inorganic substances: BaSO 4 (untreated or coated), ZnS, carbonates (e.g. chalk or dolomite), phosphates, silicon dioxides or silicates (such as talcum, kaolin, mica).
  • the solids content of the additive mixtures according to the invention (sum of TiO 2 and particulate inorganic substance selected according to the invention) in the polymer material ranges preferably from 0.1 to 20 wt. % and particularly preferably from 0.1 to 10 wt. %.
  • the solids content ranges from 0.1 to 5 wt. % and preferably from 0.15 to 0.5 wt. % or from 0.5 to 3 wt. %.
  • the solids content ranges from 0.1 to 20 wt. %, preferably from 0.1 to 8 wt. % and very particularly preferably from 0.4 to 5 wt. %.
  • the proportion of particulate inorganic substance selected according to the invention in the additive according to the invention can be up to about 80 wt. %. This ensures that, even with high filler contents, a proportion of about 20 wt. % of the material with a high scattering capability, i.e. the TiO 2 , in the additive according to the invention is still sufficiently high. If the proportion of particulate inorganic substance selected according to the invention were more than 80 wt. %, the light-scattering content would become so low that the desired matting would no longer be achievable.
  • the weight ratio of TiO 2 to particulate inorganic substance selected according to the invention in the additive mixtures according to the invention is preferably in the range from 20 to 95 wt.
  • % for the TiO 2 and 5 to 80 wt. % for the particulate inorganic substance selected according to the invention e.g. 50 wt. % of TiO 2 and 50 wt. % of particulate inorganic substance selected according to the invention, or 33 wt. % and 67 wt. % respectively, or 25 wt. % and 75 wt. % respectively.
  • the polymer materials according to the invention can be produced in a manner known per se whereby the hitherto pure particulate TiO 2 pigment is replaced by the additive according to the invention, consisting of TiO 2 and the particulate inorganic “substitute” selected according to the invention.
  • the additive according to the invention, or the TiO 2 pigment and the inorganic “substitute”, can be introduced in known manner, before, during or after the polymerization reaction.
  • a further possibility is to introduce the additive according to the invention or the individual components, i.e. TiO 2 and the inorganic “substitute”, into the starting compounds of the polymer material.
  • the additive or the individual components are preferably introduced into the polymer production process dispersed in a suspension. If the substances would not chemically withstand the polymerization process (e.g. ZnS in PET) or the polymer process does not allow addition during the polymerization (e.g. PE or PP), it is expedient to add the substances to the polymer stream as a so-called masterbatch or as a preparation that is easy to distribute in the melt (e.g. a mixture of inorganic substances in a carrier).
  • the polymer material according to the invention is used e.g. in the manufacture of textile sheets, for example for clothing textiles or textiles for use in the home. Another use is e.g. the manufacture of polymer films and sheets (for example for packaging or printing applications) from the polymer material according to the invention.
  • the preparation of the additive used is based on the technology, adequately described in the technical literature, for the preparation of titanium dioxide in the anatase modification by the sulfate process.
  • the process steps of digestion, purification, hydrolysis to metatitanic acid and calcination of the metatitanic acid to titanium dioxide are carried out in conventional manner.
  • the calcination was followed by the homogeneous distribution in the titanium dioxide of another inorganic substance having a much lower crystal hardness than anatase. This was done by dispersing 15 kg of calcined titanium dioxide in 60 kg of water. Barium sulfate was then precipitated directly in this suspension: 130.6 kg of aqueous barium sulfide solution (10 wt.
  • the suspension was then passed through a suction filter while still warm and the filter cake was washed with 200 l of deionized water and then dried in a drying cabinet.
  • the dried solid was coarsely precomminuted and finally micronized in an impact mill. Due to losses in the processing steps, approx. 22 kg of additive, consisting of 33% of TiO 2 and 67% of BaSO 4 , remained.
  • Polyester granules with a high content of full-dull additive as filler were prepared in known manner as described below. 6.8 kg of polyester precondensate (BHET from Aldrich) and 1.1 kg of monoethylene glycol were placed in a batch reactor (of approximate volume 50 l) and melted. After approx. 1 hour a paste consisting of 16.7 kg of terephthalic acid and 5.4 kg of monoethylene glycol was fed into the container. The esterification took place in known manner over a period of roughly 160 minutes, the temperature of the reaction mixture reaching approx. 280° C. The end point of the esterification reaction was defined by the end of water elimination.
  • BHET polyester precondensate
  • monoethylene glycol monoethylene glycol
  • the polycondensation was subsequently carried out in known manner over a period of approx. 100 minutes, the pressure being lowered to a final value of 2 mbar and the temperature of the reaction mixture being 285 to 290° C.
  • the criterion for the end of the reaction (reaching of an intrinsic viscosity of 0.63 dl/g, determined on a solution of 0.5 g of PET granules in 100 ml of a phenol/1,2-dichlorophenol mixture in a weight ratio of 3/2), the increase in torque on the stirrer was monitored until it reached the value corresponding to this viscosity. This was followed by extrusion of the melt out of the reactor under a positive pressure of nitrogen, cooling and granulation of the polymer strand.
  • the resulting granules contained 2 wt. % of the full-dull additive (determined by measurement of the ashing residue) and, with the intrinsic viscosity reaching 0.62 to 0.65 dl/g, were suitable for spinning into textile filaments.
  • the full-dull filaments according to the invention were produced in a simple and known manner by the melt spinning process.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Textile Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Artificial Filaments (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
US11/629,954 2004-06-29 2005-06-28 Polymeric Materials, Which Contain Inorganic Solids, and Methods for the Production Thereof Abandoned US20070249773A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004031283.4 2004-06-29
DE102004031283A DE102004031283A1 (de) 2004-06-29 2004-06-29 Polymere Werkstoffe mit hohen Gehalten an anorganischen Feststoffen und Verfahren zu deren Herstellung
PCT/EP2005/006947 WO2006000454A1 (de) 2004-06-29 2005-06-28 Polymere werkstoffe, die anorganische feststoffe enthalten und verfahren zu deren herstellung

Publications (1)

Publication Number Publication Date
US20070249773A1 true US20070249773A1 (en) 2007-10-25

Family

ID=34971349

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/629,954 Abandoned US20070249773A1 (en) 2004-06-29 2005-06-28 Polymeric Materials, Which Contain Inorganic Solids, and Methods for the Production Thereof

Country Status (13)

Country Link
US (1) US20070249773A1 (cg-RX-API-DMAC7.html)
EP (1) EP1769117B1 (cg-RX-API-DMAC7.html)
JP (1) JP5388448B2 (cg-RX-API-DMAC7.html)
KR (1) KR101241349B1 (cg-RX-API-DMAC7.html)
CN (1) CN1985044B (cg-RX-API-DMAC7.html)
AT (1) ATE429537T1 (cg-RX-API-DMAC7.html)
BR (1) BRPI0512809B1 (cg-RX-API-DMAC7.html)
DE (2) DE102004031283A1 (cg-RX-API-DMAC7.html)
ES (1) ES2326898T3 (cg-RX-API-DMAC7.html)
IN (1) IN2006CH04804A (cg-RX-API-DMAC7.html)
MX (1) MX268849B (cg-RX-API-DMAC7.html)
TW (1) TWI443112B (cg-RX-API-DMAC7.html)
WO (1) WO2006000454A1 (cg-RX-API-DMAC7.html)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8729164B2 (en) 2011-10-11 2014-05-20 Basf Se Thermoplastic molding composition and moldings produced therefrom with improved wear resistance
CN103882548A (zh) * 2012-12-20 2014-06-25 辽宁银珠化纺集团有限公司 一种功能型尼龙66纤维及其制备方法
US9421162B2 (en) 2007-12-14 2016-08-23 Rhodia Poliamida E Especialidades Ltda Methods of using polymeric compositions containing IR-emitting absorbing additives
CN111411410A (zh) * 2020-05-21 2020-07-14 沪本新材料科技（上海）有限公司 一种合成消光聚酯纤维用液体钛白粉
US11091587B2 (en) * 2018-12-27 2021-08-17 Jiangsu Hengli Chemical Fibre Co., Ltd. Wool-like polyester filament and preparing method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2581404A1 (de) 2011-10-11 2013-04-17 Basf Se Thermoplastische Formmasse und daraus hergestellte Formteile mit verbesserter Verschleißfestigkeit
CN107574500A (zh) * 2016-07-05 2018-01-12 江苏德赛化纤有限公司 全消光涤纶短纤维

Citations (4)

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US3883470A (en) * 1971-08-31 1975-05-13 Ncr Co TiO{HD 2 {B pigmented coatings, credit cards and processes relating thereto
US6547882B1 (en) * 1998-01-28 2003-04-15 L. B. Bohle Maschinen + Verfahren Gmbh Drum coater with forced recirculation of the material
US20030159622A1 (en) * 2000-02-09 2003-08-28 Djamschid Amirzadeh-Asl Barium sulphate method for producing the same and the use thereof
WO2005012409A1 (fr) * 2003-07-03 2005-02-10 Rhodia Performances Fibres Charges minérales destinées à améliorer la matité des polymères thermoplastiques

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JP3227967B2 (ja) * 1993-12-22 2001-11-12 東洋紡績株式会社 遮光性合成繊維
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DE10050961A1 (de) * 2000-10-13 2002-04-25 Sachtleben Chemie Gmbh Verfahren zur Zugabe von anorganischen Additiven zu Polymerrohstoffen vor der Polymerbildung
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Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3883470A (en) * 1971-08-31 1975-05-13 Ncr Co TiO{HD 2 {B pigmented coatings, credit cards and processes relating thereto
US6547882B1 (en) * 1998-01-28 2003-04-15 L. B. Bohle Maschinen + Verfahren Gmbh Drum coater with forced recirculation of the material
US20030159622A1 (en) * 2000-02-09 2003-08-28 Djamschid Amirzadeh-Asl Barium sulphate method for producing the same and the use thereof
WO2005012409A1 (fr) * 2003-07-03 2005-02-10 Rhodia Performances Fibres Charges minérales destinées à améliorer la matité des polymères thermoplastiques
US7625968B2 (en) * 2003-07-03 2009-12-01 Rhodia Performance Fibres Inorganic fillers for improving the mattness of the thermoplastic polymers

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9421162B2 (en) 2007-12-14 2016-08-23 Rhodia Poliamida E Especialidades Ltda Methods of using polymeric compositions containing IR-emitting absorbing additives
US8729164B2 (en) 2011-10-11 2014-05-20 Basf Se Thermoplastic molding composition and moldings produced therefrom with improved wear resistance
CN103882548A (zh) * 2012-12-20 2014-06-25 辽宁银珠化纺集团有限公司 一种功能型尼龙66纤维及其制备方法
US11091587B2 (en) * 2018-12-27 2021-08-17 Jiangsu Hengli Chemical Fibre Co., Ltd. Wool-like polyester filament and preparing method thereof
CN111411410A (zh) * 2020-05-21 2020-07-14 沪本新材料科技（上海）有限公司 一种合成消光聚酯纤维用液体钛白粉

Also Published As

Publication number Publication date
ATE429537T1 (de) 2009-05-15
BRPI0512809A (pt) 2008-04-08
EP1769117A1 (de) 2007-04-04
KR101241349B1 (ko) 2013-03-08
BRPI0512809B1 (pt) 2015-11-03
TWI443112B (zh) 2014-07-01
TW200613328A (en) 2006-05-01
CN1985044A (zh) 2007-06-20
IN2006CH04804A (cg-RX-API-DMAC7.html) 2007-10-05
ES2326898T3 (es) 2009-10-21
JP2008504418A (ja) 2008-02-14
JP5388448B2 (ja) 2014-01-15
MX268849B (es) 2009-07-29
WO2006000454A1 (de) 2006-01-05
MXPA06014996A (es) 2007-02-08
DE502005007143D1 (de) 2009-06-04
KR20070041525A (ko) 2007-04-18
DE102004031283A1 (de) 2006-02-16
EP1769117B1 (de) 2009-04-22
CN1985044B (zh) 2011-08-03

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